TY  - BOOK
AU  - Dale,T.Nelson
AU  - Eckel,Edwin C.
AU  - Hillebrand,W.F.
AU  - Coons,Altha Titsworth
TI  - Slate deposits and slate industry of the United States
T2  - U.S. Geological survey. Bulletin
AV  - TN958 .D2
PY  - 1906///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Slate
N1  - Subject series : A, Economic geology, 63; Issued also as House doc. no. 469, 59th Cong., 1st sess; "Bibliography of slate" : p. 138-145; Includes index
ER  -